Robert L. Kelly is Professor of Anthropology at the University of Wyoming. He has served as department head and as director of the Frison Institute. He is a past president of the Society for American Archaeology and a past secretary of the Archaeology Division of the American Anthropological Association. He has authored more than one hundred articles, books and reviews, including two of the most widely used archaeology college textbooks. He is internationally recognized as an expert in the ethnology and archaeology of hunting and gathering peoples. In the past forty years, he has worked on res...